One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,9)(3,5,8,10)(4,7,15,13)(11,14,12,16)(17,18)(19,23)(20,22)(21,25)(24,27)(26,30)(28,29)(31,32)(33,34)(35,38)(36,41)(37,42)(39,43)(40,45)(44,46)(47,48)(1,3)(2,5)(4,12)(6,8)(7,16)(9,10)(11,15)(13,14)(17,19,22,27)(18,23,20,24)(21,26,29,32)(25,30,28,31)(34,35)(36,43)(40,42)(44,48)(3,8)(5,10)(11,12)(14,16)(17,18,22,20)(19,24,27,23)(21,28,29,25)(26,30,32,31)(33,35,38,34)(36,41,43,39)(37,42,45,40)(44,47,48,46)(1,2)(3,10)(4,13)(5,8)(6,9)(7,15)(11,14)(12,16)(17,20,22,18)(19,24,27,23)(21,28,29,25)(26,31,32,30)(33,36)(34,39)(35,41)(37,44)(38,43)(40,46)(42,47)(45,48)(1,4)(2,7)(3,11)(5,14)(6,15)(8,12)(9,13)(10,16)(17,19)(18,24)(20,23)(21,26)(22,27)(25,31)(28,30)(29,32)(33,37,38,45)(34,40,35,42)(36,44,43,48)(39,46,41,47)(1,5,6,10)(2,8,9,3)(4,14,15,16)(7,12,13,11)(17,21,22,29)(18,25,20,28)(19,26,27,32)(23,30,24,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.